Metra 70-1776 is a radio replacement wiring harness for select Ford, Lincoln, and Mercury vehicles with factory navigation and without THX audio from 2003-2007. It supports aftermarket radio installation while retaining key factory wiring functions in compatible vehicles.At a Glance Radio replacement wiring harness for select Ford, Lincoln, and Mercury vehicles For models with factory navigation and without THX audio Retains OE subwoofer amplifier in compatible applications Retains rear seat entertainment, VSS, reverse, and SWC control wire where applicable Connects to factory radio connectors without cutting System / Wiring Notes For factory navigation models without THX audio only Feature retention depends on factory equipment and correct vehicle application Additional interface parts may be required to retain all factory functions with the aftermarket radio Exact Vehicle CompatibilityFind your vehicle below, then match the model year and factory-equipment details in the same row. Factory radio, amplifier, navigation, trim, speaker location, and connector differences can change which installation parts are required. If anything differs, contact MCOR before ordering. Make Model Years Factory Equipment / Qualifier Application Ford Escape Hybrid 2005-2007 Non-amplified factory audio system Radio wiring harness for non-amplified system Ford Expedition 2003 late production; With factory navigation; Factory amplified audio system Radio/amp integration harness for amplified system Ford Expedition 2004-2006 With factory navigation; Factory amplified audio system Radio/amp integration harness for amplified system Lincoln Navigator 2003-2006 Without THX audio; With factory navigation; Factory amplified audio system Radio/amp integration harness for amplified system Mercury Mariner Hybrid 2006-2007 With factory navigation; Factory amplified audio system Radio/amp integration harness for amplified system Fitment note: Year and model alone are not always enough to confirm compatibility. Match every factory-equipment qualifier shown for your vehicle, and contact MCOR Automotive if the radio, amplifier, navigation, speaker, camera, trim, or connector details are uncertain.Installation Notes Confirm exact vehicle fitment, factory audio system, and radio connector before installation Additional parts such as a dash kit, antenna adapter, steering wheel control interface, or data interface may be required for a complete installation Professional installation is recommended for best results Check current manufacturer instructions and vehicle application data before installation What’s in the BoxMetra 70-1776 radio replacement wiring harnessTechnical Specifications Brand: Metra Model: 70-1776 Product Type: Radio wiring harness Application: Select Ford, Lincoln, and Mercury aftermarket radio installations with factory navigation and without THX audio Compatibility Type: Vehicle-specific Factory System: Factory navigation, without THX audio Retained Wiring: OE subwoofer amplifier, RSE, VSS, reverse, SWC control wire where applicable Identifiers & Packaging MPN: 70-1776 UPC: 086429281220 Sold As: Each Included Components: Radio replacement wiring harness Why Buy From MCOR Automotive Authorized retailer for the brands we sell Specialists in vehicle audio integration, radio replacement parts, and installation accessories 22+ years of professional automotive electronics experience Expert support for compatibility verification and proper setup